[NumPy-Tickets] [NumPy] #1388: Bizarre errors after numpy.frombuffer with zero-length buffer

NumPy Trac numpy-tickets@scipy....
Wed Feb 3 01:37:12 CST 2010


#1388: Bizarre errors after numpy.frombuffer with zero-length buffer
--------------------+-------------------------------------------------------
 Reporter:  baffe   |       Owner:  somebody
     Type:  defect  |      Status:  new     
 Priority:  normal  |   Milestone:          
Component:  Other   |     Version:  1.4.0   
 Keywords:          |  
--------------------+-------------------------------------------------------
 After calling numpy.frombuffer with a zero-length str or array.array,
 numpy starts behaving very strange.

 Example:
 {{{
 Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit
 (Intel)] on win32
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import numpy
 >>> buf = numpy.frombuffer('', 'B')
 >>> print numpy.array([42], 'B')
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 TypeError: data type not understood
 >>> print numpy.array([42], 'B') # Exact same line again!
 [1]
 }}}

 Leftover error that should have been raised by the previous operation?

-- 
Ticket URL: <http://projects.scipy.org/numpy/ticket/1388>
NumPy <http://projects.scipy.org/numpy>
My example project


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